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    Wednesday, January 5, 2022

    Ethereum [AMA] We are the EF's Research Team (Pt. 7: 07 January, 2022)

    Ethereum [AMA] We are the EF's Research Team (Pt. 7: 07 January, 2022)


    [AMA] We are the EF's Research Team (Pt. 7: 07 January, 2022)

    Posted: 05 Jan 2022 06:46 AM PST

    Welcome to the seventh edition of the EF Research Team's AMA Series.

    NOTICE: This AMA will open on 07 January at 13:00 UTC (08:00 ET, 14:00 CET), but questions can be posted here ahead of the scheduled start time.

    --

    Members of the Ethereum Foundation's Research Team are back to answer your questions throughout the day! This is their 7th AMA

    Click here to view the 6th EF Research Team AMA. [June 2021]

    Click here to view the 5th EF Research Team AMA. [Nov 2020]

    Click here to view the 4th EF Research Team AMA. [July 2020]

    Click here to view the 3rd EF Research Team AMA. [Feb 2020]

    Click here to view the 2nd EF Research Team AMA. [July 2019]

    Click here to view the 1st EF Research Team AMA. [Jan 2019]

    Feel free to keep the questions coming until an end-notice is posted! If you have more than one question, please ask them in separate comments.

    submitted by /u/JBSchweitzer
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    Coinbase Executive: I Am Optimistic About Major Ethereum Scalability Improvements In 2022

    Posted: 05 Jan 2022 03:23 AM PST

    Vitalik Believes Ethereum Is Halfway To Completion

    Posted: 04 Jan 2022 10:42 PM PST

    Ethereum Growth Rate Will Surpass Bitcoin Again in 2022, Bitcoin May Not Be the №1 Cryptocurrency Soon

    Posted: 04 Jan 2022 06:46 PM PST

    Damn... Polygon lack of balance/allowance check fixed. $2.2M payout to whitehat.

    Posted: 04 Jan 2022 08:47 AM PST

    Props to Polygon for the rapid response and the wh for the report.

    "Whitehat Leon Spacewalker reported a critical vulnerability in Polygon on December 3. The vulnerability consisted of a lack of balance/allowance check in the transfer function of Polygon's MRC20 contract and would have allowed an attacker to steal all ~9,276,584,332 MATIC (as of December 5, the date of the fix) from that contract. Following the report from Leon Spacewalker, Polygon immediately sprang into action to fix the bug. Immunefi assisted in investigating blockchain activity, validating the fix, and advising the hardfork operation."

    Full post mortem below:

    Polygon Lack Of Balance Check Bugfix Postmortem — $2.2m Bounty

    submitted by /u/ihave80D
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    Ethereum-based video streaming platform Livepeer raises $20 million

    Posted: 05 Jan 2022 05:17 AM PST

    L222 - The Daily Gwei #410

    Posted: 05 Jan 2022 06:11 AM PST

    ELI5 zk snark !!

    Posted: 05 Jan 2022 02:41 AM PST

    Zk snark seems to be a very important concept on eth2 but i've tried Many Times to understand by watching youtube explainer video but it a bit complex

    Thanks

    submitted by /u/na7oul
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    Flash Loans: Finance on Steroids

    Posted: 05 Jan 2022 05:52 AM PST

    Transferring between Layer 2's

    Posted: 04 Jan 2022 07:42 PM PST

    Does anyone know if transferring between layer 2's are as straightforward as inputting the correct address? I.E. Arbitrum > Loopring vice versa

    submitted by /u/Reisyn
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    Confused about L1 from/to L2 transactions

    Posted: 04 Jan 2022 10:37 PM PST

    Does sending ERC20 tokens between L1 to L2 cost normal L1 gas? And then L2 is where the cheaper transaction fees come into play?

    FYI I am trying to split a hackathon reward across three people. For example, if I have 600 LINK in a wallet, can I send 200 each to two others addresses?

    And I promise I tried searching for the answer, but it just got me more confused.

    submitted by /u/JoeCedarFromAlameda
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    Is this the cult of Vitalik, Feel Good Cryptonews and Crypto Fanatics Subreddit?

    Posted: 05 Jan 2022 07:09 AM PST

    I am just curious and expect this post to be downvoted. But lets critically think of all crypto currencies.

    submitted by /u/UInt86
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    Juno - decentralized, permission-less network for cross-chain smart contracts

    Posted: 05 Jan 2022 06:37 AM PST

    https://www.junonetwork.io/ is everything a Layer 1 Smart Contract Network should have been.

    • Scalable.
    • Ultra-low fees.
    • Interoperable.
    • Community run to the core.
    • DEX path only.
    • No ICO, No private sale, No seed round.
    • On-chain governance.
    • Max cap.

    Join the grassroots movement https://discord.gg/P3BKdd7eQ8

    submitted by /u/tofucorp
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    Ethereum 2.0 Contract Hits ATH, Bags $34B Worth ETH!

    Posted: 03 Jan 2022 08:09 PM PST

    Guide to experimenting with the Ethereum VM on the new Iota network

    Posted: 05 Jan 2022 05:17 AM PST

    Article summary: Deploying and then accessing a simple Solidity contract on an Iota EVM using the tool Remix in a Chrome browser with the MetaMask extension.

    https://buidlassembly.com/iota_evm_remix_solidity_1.html

    There is a huge pot of VC backed money for projects for the new Iota Assembly project. The article helps you connect the old and the new!

    submitted by /u/iotaDAOist
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    Gas fee difference in coinbase vs trust wallet

    Posted: 04 Jan 2022 08:30 PM PST

    I was trying send $100 usdc and coinbase said a fee if $13. but while trust wallet it was $72

    why is there a difference using eth network

    submitted by /u/Odd_Refrigerator1787
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    Hacking the Blockchain - this detailed guide maps out a gameplan, tools, skills, and knowledge to get started hunting bugs, worth the read

    Posted: 04 Jan 2022 08:13 AM PST

    TLDR; link to the full guide at the bottom

    From the author, Sleepy...

    The focus of this article is to get you knowledgeable about the technology, how these hacks happen, and to provide a roadmap for becoming a smart contract hacker/blockchain security practitioner in the shortest amount of time.

    However, it is not meant to be an exhaustive guide, since the technology is still emerging, nor is it meant to teach you how to hack anything. Rather, it is meant to be a high-level overview of where and how to find the information you need, as countless people can teach the technical concepts better than I can. Before we get started, here is the content at a glance:

    1. Blockchain basics
    2. Smart contracts
    3. Foundations: Solidity and Ethereum
    4. Exploitation: How companies lose millions with a single line of buggy code
    5. Why did I choose blockchain security?
    6. Acknowledgements

    Full guide is below:

    Hacking the Blockchain: An Ultimate Guide

    submitted by /u/smartchris
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    Most cost efficient way to withdraw $300 worth of MUNCH

    Posted: 05 Jan 2022 01:08 AM PST

    Hi all,

    I am looking for advice on the most cost efficient way to withdraw around $300 worth of MUNCH Token. When attempting via Pancake Swap I am getting the usual extremely high gas fees which almost outweigh the dollar value of what I'm withdrawing.

    For clarity, I am attempting to trade my MUNCH to USDT so it can be utilised elsewhere, but the fees are astronomical.

    Can anyone advise on a more cost efficient way to do this?

    TIA

    submitted by /u/Inzpire
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    Lex Fridman talks power of Blockchain

    Posted: 04 Jan 2022 06:02 PM PST

    Eth2 staking question - Coinbase user

    Posted: 04 Jan 2022 10:45 PM PST

    I'm staking some ETH as ETH2 on Coinbase and am a bit confused about the rewards. It shows one amount as my 4.5% APR Lifetime Rewards, but when I click on that, a new window pops up that displays "Rewards Earned" and this is a much larger amount that is updated every second. What should I actually expect to receive when eth 2.0 launches?

    submitted by /u/beezo315
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    I have been into Crypto seriously for about 8-10 months. It just gets overwhelming sometimes.

    Posted: 04 Jan 2022 01:31 AM PST

    With so much happening everywhere, I cannot just catch up. How do you guys handle it? I am interested mainly in building a crypto product/DAO.

    submitted by /u/Ok_Guide_7500
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    Shall I stake my ETH in my ledger with Lido? Is it safe?

    Posted: 04 Jan 2022 10:30 AM PST

    Crypto-pension

    Posted: 04 Jan 2022 09:48 AM PST

    Looking to start a crypto project that will offer pension. Yes pension! The young generation has been robbed of FDRs dream of income earners living a comfortable and stable retirement. What do you think?

    submitted by /u/TUGGZ_3410
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    ENS Gas fees

    Posted: 04 Jan 2022 11:07 PM PST

    I'm trying to register a name on ENS. I don't understand why the gas fees are so high. Looking at their stats: https://dune.xyz/makoto/-eth-registration-funnel

    Looking in the top right - commit and register both show fairly low gas prices but I'm on the 3rd step and recommended gas is like 0.026649ETH. Can someone explain this to me? (I'm a newb, in case you couldn't tell)

    submitted by /u/thexterarcury
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    Onramps to L2?

    Posted: 04 Jan 2022 09:01 AM PST

    What's the best fiat onramp directly to L2? I see crypto.com supports Arbitrum. Coinbase (still) is just pending announcements. I had a pretty bad experience with crypto.com customer support, so I plan on staying away from them in the future. What else is out there?

    At this point I'm mostly looking to set up some new wallets, see what kind of hooks are out there for things like Metamask, Uniswap, play with hop, etc.

    submitted by /u/BlotchyBaboon
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    How fucked am i? I use Argent, changed phones today as the other one got lost, tried to recover wallet today and this? There is only about £350 but that fee is making me feel sick

    Posted: 04 Jan 2022 12:43 PM PST

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